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Finding the Fourth Proportional to 84,033.39, 126,069.53 and 37,289.91

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Solution

The fourth proportional to 84,033.39, 126,069.53 and 37,289.91 is: 55,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,033.39 : 126,069.53 = 37,289.91 : x
  2. Step 2: Convert to fraction form
    84,033.39/126,069.53 = 37,289.91/x
  3. Step 3: Cross multiply
    84,033.39x = 126,069.53 × 37,289.91
  4. Step 4: Simplify right side
    84,033.39x = 4,701,121,240.99
  5. Step 5: Solve for x
    x = 4,701,121,240.99/84,033.39
  6. Step 6: Final answer
    x = 55,943.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.